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Pro Trinket Power Meter
AdafruitPro Trinket
A power meter for measuring voltage, current, power, and milliamp-hours using an OLED display and INA219 sensor.
In stock
Specifications
2- Operating Voltage
- 3.3V or 5V (VIN) / 3.3V or 5V (OLED VIN)
- Logic Level
- 3.3V or 5V
Pinout
5Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 3.3V or 5V | VIN | POWER | Power to INA219 VCC and OLED VIN |
| GND | GND | GND | Ground for all components |
| I2C SCL (A5) | SCL | I2C | For OLED and INA219 I2C communication |
| I2C SDA (A4) | SDA | I2C | For OLED and INA219 I2C communication |
| Digital 4 | RST | GPIO | Reset pin for OLED display |
Interactive pinout
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Pro Trinket
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